CA1012497A - Linkage restraining safety device - Google Patents

Linkage restraining safety device

Info

Publication number
CA1012497A
CA1012497A CA229,580A CA229580A CA1012497A CA 1012497 A CA1012497 A CA 1012497A CA 229580 A CA229580 A CA 229580A CA 1012497 A CA1012497 A CA 1012497A
Authority
CA
Canada
Prior art keywords
safety device
restraining safety
linkage
linkage restraining
safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA229,580A
Inventor
Richard F. Zimmerman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Navistar Inc
Original Assignee
International Harverster Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Harverster Corp filed Critical International Harverster Corp
Application granted granted Critical
Publication of CA1012497A publication Critical patent/CA1012497A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/3405—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
    • E02F3/3411—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism of the Z-type
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/388—Mechanical locking means for booms or arms against rotation, e.g. during transport of the machine
CA229,580A 1974-07-15 1975-06-18 Linkage restraining safety device Expired CA1012497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US488354A US3918601A (en) 1974-07-15 1974-07-15 Linkage restraining safety device

Publications (1)

Publication Number Publication Date
CA1012497A true CA1012497A (en) 1977-06-21

Family

ID=23939409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA229,580A Expired CA1012497A (en) 1974-07-15 1975-06-18 Linkage restraining safety device

Country Status (8)

Country Link
US (1) US3918601A (en)
JP (1) JPS5136703A (en)
AU (1) AU8239175A (en)
CA (1) CA1012497A (en)
DE (1) DE2529115C3 (en)
FR (1) FR2278860A1 (en)
GB (1) GB1515725A (en)
SE (1) SE7508096L (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995761A (en) * 1975-09-04 1976-12-07 Sperry Rand Corporation Anti-lowering device for a boom loader
JPS5262902U (en) * 1975-11-06 1977-05-10
US3982648A (en) * 1975-11-10 1976-09-28 International Harvester Company Lift arm safety bar
US4006834A (en) * 1976-01-15 1977-02-08 Caterpillar Tractor Co. Tilt linkage for loader buckets
US4063658A (en) * 1976-08-09 1977-12-20 Kress Edward S Slag pot carrier
US4039093A (en) * 1976-08-30 1977-08-02 J. I. Case Company Boom arm support lock
US4189278A (en) * 1977-04-28 1980-02-19 International Harvester Company Boom prop
US4156488A (en) * 1977-07-18 1979-05-29 Caterpillar Tractor Co. Cross-member assembly
US4947705A (en) * 1989-05-12 1990-08-14 Ingersoll-Rand Company Method and apparatus for maintaining a load raising linkage in a rasied position
US7056079B2 (en) * 2003-11-10 2006-06-06 Caterpillar Inc. Linkage assembly restraint
US7160076B2 (en) * 2004-09-17 2007-01-09 Clark Equipment Company Work machine with boom stop
US8807909B2 (en) * 2012-10-12 2014-08-19 Caterpillar Inc. Tilting system for loader machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721628A (en) * 1954-11-23 1955-10-25 David B Cheskin Folding leg system
US3360146A (en) * 1966-06-29 1967-12-26 Caterpillar Tractor Co Loader lift arm latch
US3353699A (en) * 1966-07-11 1967-11-21 Caterpillar Tractor Co Support for loader lift arm
US3396863A (en) * 1967-04-11 1968-08-13 Caterpillar Tractor Co Latch means for loader lift arm support
US3602338A (en) * 1969-07-30 1971-08-31 Joyce Cridland Co Safety device for vehicle lifts

Also Published As

Publication number Publication date
DE2529115A1 (en) 1976-01-29
DE2529115C3 (en) 1978-10-26
GB1515725A (en) 1978-06-28
FR2278860A1 (en) 1976-02-13
SE7508096L (en) 1976-01-16
FR2278860B1 (en) 1979-05-11
JPS5136703A (en) 1976-03-27
DE2529115B2 (en) 1978-02-23
US3918601A (en) 1975-11-11
AU8239175A (en) 1977-01-06

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